Declension table of ?sūryāvasu

Neuter	Singular	Dual	Plural
Nominative	sūryāvasu	sūryāvasunī	sūryāvasūni
Vocative	sūryāvasu	sūryāvasunī	sūryāvasūni
Accusative	sūryāvasu	sūryāvasunī	sūryāvasūni
Instrumental	sūryāvasunā	sūryāvasubhyām	sūryāvasubhiḥ
Dative	sūryāvasune	sūryāvasubhyām	sūryāvasubhyaḥ
Ablative	sūryāvasunaḥ	sūryāvasubhyām	sūryāvasubhyaḥ
Genitive	sūryāvasunaḥ	sūryāvasunoḥ	sūryāvasūnām
Locative	sūryāvasuni	sūryāvasunoḥ	sūryāvasuṣu

Compound sūryāvasu -

Adverb -sūryāvasu